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EFFECTS OF pH ON Ni COATING ON POLY(ETHYLENE TEREPHTHALATE) SUBSTRATE BY PRINTING PRIME IN COMBINATION WITH PALLADIUM ACTIVATING

Author

Listed:
  • JUNJUN HUANG

    (Department of Chemical and Materials Engineering, Hefei University, Hefei City, 230601, P. R. China)

  • ZHIPING SUN

    (#xA7;Research Institute of Surface Engineering, Taiyuan University of Technology, Taiyuan City 030024, P. R. China)

  • HONGZHI HUANG

    (#x2021;College of Mechanical & Electrical Engineering, Anhui Polytechnic University, Wuhu City, 241100, P. R. China)

  • QI LIU

    (Department of Chemical and Materials Engineering, Hefei University, Hefei City, 230601, P. R. China)

  • MIN GAO

    (Department of Chemical and Materials Engineering, Hefei University, Hefei City, 230601, P. R. China)

  • MENGYU LI

    (Department of Chemical and Materials Engineering, Hefei University, Hefei City, 230601, P. R. China)

  • FENG ZHAO

    (Department of Chemical and Materials Engineering, Hefei University, Hefei City, 230601, P. R. China)

  • ZHENMING CHEN

    (#x2020;College of Chemistry and Bioengineering, Hezhou University, Hezhou City, 542899, P. R. China)

Abstract

In this work, the primer-printed and then self-assembled poly(ethylene terephthalate) (PET) sheets were plated when the bath pH increased from 7 to 11. The effects of bath pH on the structural and electrical properties of electroless nickel plating were investigated systematically using X-ray diffraction (XRD) and scanning electron microscopy (SEM). Results showed that the crystallographic structures of Ni-plated PET (NPP) sheets were face centered cubic, the preferential orientation of the coatings changes from (200) plane to (111) plane, the growth rate of plated nickel coating increased from 3.71μm/min to 8.13μm/min, the average Ni crystal size was increased from 0.23μm to 0.92μm, the average EMI-SE of NPP sheets was increased from 37.2dB to 38.6dB and the surface electrical resistivity of NPP sheets was decreased from 6235ohm ⋅ cm to 0.03ohm ⋅ cm with the increase of bath pH. The changes in structural and electrical properties were most possibly due to the fact that the thickness of coating increased.

Suggested Citation

  • Junjun Huang & Zhiping Sun & Hongzhi Huang & Qi Liu & Min Gao & Mengyu Li & Feng Zhao & Zhenming Chen, 2016. "EFFECTS OF pH ON Ni COATING ON POLY(ETHYLENE TEREPHTHALATE) SUBSTRATE BY PRINTING PRIME IN COMBINATION WITH PALLADIUM ACTIVATING," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 23(05), pages 1-7, October.
    • Handle: RePEc:wsi:srlxxx:v:23:y:2016:i:05:n:s0218625x16500347
    DOI: 10.1142/S0218625X16500347
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